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123112143011330 = 25117149307319699
BaseRepresentation
bin11011111111100001000111…
…100011010011111000000010
3121010220101221220220112122122
4123333201013203103320002
5112114032132102330310
61113500534314204242
734634362446255164
oct3377410743237002
9533811856815578
10123112143011330
1136255626226140
1211983b5b723682
13539056b4239c5
1422589339d0934
15e376691a3555
hex6ff8478d3e02

123112143011330 has 64 divisors (see below), whose sum is σ = 245158113715200. Its totient is φ = 44136482846400.

The previous prime is 123112143011267. The next prime is 123112143011369. The reversal of 123112143011330 is 33110341211321.

It is a self number, because there is not a number n which added to its sum of digits gives 123112143011330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384927821 + ... + 385247519.

It is an arithmetic number, because the mean of its divisors is an integer number (3830595526800).

Almost surely, 2123112143011330 is an apocalyptic number.

123112143011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123112143011330 is a deficient number, since it is larger than the sum of its proper divisors (122045970703870).

123112143011330 is a wasteful number, since it uses less digits than its factorization.

123112143011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369095.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 123112143011330 its reverse (33110341211321), we get a palindrome (156222484222651).

The spelling of 123112143011330 in words is "one hundred twenty-three trillion, one hundred twelve billion, one hundred forty-three million, eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 71 110 142 355 710 781 1562 3905 7810 49307 98614 246535 319699 493070 542377 639398 1084754 1598495 2711885 3196990 3500797 3516689 5423770 7001594 7033378 17503985 17583445 22698629 35007970 35166890 38508767 45397258 77017534 113493145 192543835 226986290 249684919 385087670 499369838 1248424595 2496849190 15763398593 31526797186 78816992965 157633985930 173397384523 346794769046 866986922615 1119201300103 1733973845230 2238402600206 5596006500515 11192013001030 12311214301133 24622428602266 61556071505665 123112143011330